M5123 Datasheet, PDF (109/121 Pages) List of Unclassifed Manufacturers – Mega I/O Controller with Plug & Play

Acer Laboratories Inc.
M512x : Mega I/O Controller with PnP
IrDA Transmit Timing
Table 10-15. IrDA Transmit Timing
Symbol
tp1
tp1
tp1
tp1
tp1
tp1
tp1
tb2
tb2
tb2
tb2
tb2
tb2
tb2
Parameter
Pulse width at 115k baud
Pulse width at 57.6k baud
Pulse width at 38.4k baud
Pulse width at 19.2k baud
Pulse width at 9.6k baud
Pulse width at 4.8k baud
Pulse width at 2.4k baud
Bit time at 115k baud
Bit time at 57.6k baud
Bit time at 38.4k baud
Bit time at 19.2k baud
Bit time at 9.6k baud
Bit time at 4.8k baud
Bit time at 2.4k baud
--Preliminary, Confidential, Proprietary--
Min
Typ
Max
Unit
1.39
1.60
2.72
µs
1.39
3.22
3.70
µs
1.39
4.80
5.54
µs
1.39
9.70
11.08
µs
1.39
19.50
22.14
µs
1.39
39.00
44.28
µs
1.39
78.00
88.56
µs
-
8.68
-
µs
-
17.40
-
µs
-
26.00
-
µs
-
52.00
-
µs
-
104.00
-
µs
-
208.00
-
µs
-
416.00
-
µs
DATA
IRTX
01 0 1 0 0 1 1 0 1 1
tp1
tb2
Notes :
1. IrDA @ 115k is HPSIR compatible. IrDA @ 2400 will allow compatibility with HP95LX and 48SX.
2. UART1, UART2 0xF1 bit 1 : 1 = transmit active low
0 = transmit active high (default)
07-02-1997 Document Number: 512xDS02.doc
Acer Labs: 7F, 115 Tung Hsing Street, Taipei 110, Taiwan, R.O.C. Tel: [phone] Fax: [phone]
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